27
To edit the Custom Buffers:
• Use
or
to select the
Calibration option.
• Press
and use
or
to highlight the
Edit Custom Buffers option.
• For a previous set value, press
to set the custom buffer value
to “----” if desired and confirm the setting by pressing
,
otherwise press
to edit the selected custom buffer.
• While in edit custom buffer menu press
to set the
custom buffer value to 7.000 pH and then use
or
to set the desired custom buffer value.
• Press
to exit custom buffer edit menu. If the Saving Confirmation is enabled, press
to
accept the modified option,
to escape without saving or
to return to the editing mode.
Otherwise, the modified option is saved automatically.
• Use
key to select the next custom buffer to be set or press
to return to Calibration options.
Edit Buffer Group
Accessing this option the user can edit the desired group of five pH buffers for automatic buffer recognition
(Automatic Buffer Entry Type). If the Buffer Group already contains five pH buffers, at least one pH buffer has to
be removed in order to add another buffer.
To set the Buffer Group:
• Use
or
to select the
Calibration option.
• Press
and use
or
to highlight the
Edit Buffer Group option.
• Press
and use
and
to choose the
pH buffer to be included in the buffer group.
• Press
or
to add / remove the selected pH
buffer to / from the buffer group.
• Press
to return to Calibration options and to save the changes.
90
Make sure the instrument has been calibrated before taking resistivity measurements.
DIRECT MEASUREMENT
To measure the resistivity of a sample using the
Direct reading
mode:
• Press
and then
to select resistivity mea-
sure mode.
• Select the
Direct reading mode (see Resistivity Setup section).
• Proceed as for the conductivity measurement (see
Conductivity
Measurement section).
DIRECT/AUTOHOLD MEASUREMENT
To measure resistivity of a sample using the
Direct / AutoHold reading
mode:
• Select the
Direct / AutoHold reading mode (see Resistivity Setup
section).
• Proceed as for the conductivity measurement. (see
Conductivity
Measurement section)
R E S I S T I V I T Y M E A S U R E
R E S I S T I V I T Y M E A S U R E
R E S I S T I V I T Y M E A S U R E
R E S I S T I V I T Y M E A S U R E
R E S I S T I V I T Y M E A S U R E MENT
M E N T
M E N T
M E N T
M E N T